网络释义专业释义英英释义
... 正方形锁 four-square lock 正方形天线 quad antenna; quad loop; quadrant antenna 正方形网 equilateral net ...
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Quad antenna
- abstract: A quad antenna is a type of radio antenna frequently used by amateur radio operators. Like a Yagi-Uda antenna ("Yagi"), a quad consists of a driven element and parasitic elements; however in a quad, each of these elements takes the form of a loop, which may be square, round, or some other shape.
以上来源于: WordNet
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